Hi,

On Fri, Jul 03, 2009 at 09:54:28AM +0200, ext Michał Nazarewicz wrote:
quoted text
> I've been working on a USB Composite Gadget driver taken from Palm Pre  
> source code[1].  I managed to somehow port it to kernel 2.6.30 and it  
> works great if only mass storage is enabled.  However, if I change it to  
> support both mass storage and RNDIS (which is our goal for now) Windows  
> has hard time detecting the device (ie. missing drivers).  Linux on the  
> other hand, handles everything quite fine.
> 
> So now, first of all, does anyone know about any newer implementations of  
> USB Composite Gadget which support at least mass storage and Ethernet? Is  
> there any work going on on such a gadget? Am I missing something or is  
> there only a Ethernet and CDC Composite Gadget in mainstream Linux kernel  
> which support CDC and RNDIS only?
> 
> Second of all, does anyone have any experience with the Palm code[1]? Or  
> at least, could anyone help up with handling this driver under Windows?  
> Anyone knows how to create Windows drivers for a custom made composite  
> gadget? As said earlier, I'm tryingo to create mass storage + RNDIS  
> composite gadget and so need Windows driver which would handle (at least)  
> that.

I guess you just one of those *.inf file telling windows which drivers
to install for your device.

quoted text
> Also, while testing various gadget, standard mass storage in particular,  
> the following issue has arisen.  Windows detects the device and shows it  
> as a mass storage device in Device Manager, however, no volume appears in  
> My Computer.  The same device, connected to Linux works properly.

you need to tell the driver which backing storage to use:

# modprobe g_file_storage file=/dev/anything-goes-here

should do it.

-- 
balbi
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